The NATURALIST. 



It being the wish of the Editors to make the journal the recognised organ for 

 information concerning the natural history of the North of England, they hope 

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 the month, and specially urgent ones even later. 



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Receipts for Subscriptions are enclosed with the next Number, and 

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Advertisements. — Scale of charges may be had on application. 



BOOKS RECEIVED. 



Proc. of Academy of Nat. Sci. of Philadelphia — Part iii., Nov. -Dec. i884.[Academy. 

 Trans, of Cumberland and Westmoreland Association. — No. ix., 1883-4. [Asso. 

 The Auk, a journal of Ornithology — ^Jan. & April 1885. [American Ornith. Union. 

 Revue Bryologique, 1885, No. 2. [T. Husnot, Editor. 



Lancashire and Cheshire Entom. Soc, Eighth Ann. Report (for 1884). [Society. 

 Canadian Science Monthly, Feb. 1885. [The Editor. 



Ornithology. — By Prof. A. Newton, P'.R.S., reprinted from Encycl. Brit., 1885. 



[Author. 



Transactions of Yorkshire Naturalists' Union —Part 8, for 1883. [The Union. 

 Zeitschrift fiir die Gesammte Ornithologie [Edited by Dr. Julius von Madarasz, 

 Buda-Pesth], 1885. heft I. [The Editor. 



Nat. Hist. Journal & School Reporter, March 15th & April 15th, 1885. [Editor. 

 Science Gossip (edited by J. E. Taylor) for April 1885. [The Editor. 



Scottish Naturalist, edited by Prof. Trail : April 1885. [Editor. 

 Journal of Microscopy and Natural Science (ed. A. Allen) April 1885. [Editor. 

 Midland NaturaHst, April 1885. [Midland Union. 



Naturalist's World for April 1885. [Editor. 

 Illustrated Science Monthly for April 1885. [Publishers. 

 Psyche, a journal of Entomology, Oct.-Dec. 1884. [Editor. 

 Young Naturalist (edited by J. E. Robson), April 1885. [Editor. 



EXCHANGES. 



Notices of Exchange inserted free of charge to Subscribers. 



Nine diagrams of the various members of the Salmonidae, copied from Day'- 

 * British Fishes 'by Mr. Murray, artist, Edinburgh — cost 6s. 6d. each. Offers. 

 Will take books on 'Fish' or 'Angling,' or cash. — ^J. A. Erskine Stuart, West 

 field House, Batley. 



Dreissena. — For specimens of Dreissena polymorpha Pall., send box and 

 stamped addressed envelope to J. M. Campbell, Kelvingrove Park, Glasgow. 



Book Wanted.— Mudd's ' British Lichens ' wanted. — Frederic Bower, 

 9, Pinder Grove, Dorset Street, Manchester. 



The cheapest dealer in Birds, Skins, Eggs, Butterflies, Moths, Foreign Shells 

 etc., is John Eggleston, Park Place, Sunderland. Lists free. 



